| Date | Person | Description |
|---|---|---|
| Rostan, Alexandre Pancrace | Teacher of rhetoric, poetics, grammar in Grenoble | |
| Rostan, Alexandre Pancrace | Teacher of rhetoric, poetics, grammar in Aix-en-Provence | |
| 1759 – 1760 | Rostan, Alexandre Pancrace | Teacher of poetics in Vesoul |
| 1769 | Rostan, Alexandre Pancrace | Rostan and Łuskina carried out astronomical observations together in 1763, 1764, and 1769 |